chore(deps): update dependency phpunit/phpunit to v12

Author: renovate[bot]

composer.json

@@ -24,7 +24,7 @@
         "jangregor/phpstan-prophecy": "^1.0",
         "phpstan/phpstan": "^1.0",
         "phpstan/phpstan-phpunit": "^1.3",
-        "phpunit/phpunit": "^10.2"
+        "phpunit/phpunit": "^12.0"
     },
     "config": {
         "sort-packages": true,